3121441212 has 48 divisors (see below), whose sum is σ = 7721541632. Its totient is φ = 979698240.

The previous prime is 3121441189. The next prime is 3121441217. The reversal of 3121441212 is 2121441213.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121441217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99628 + ... + 127155.

Almost surely, 2^3121441212 is an apocalyptic number.

It is an amenable number.

3121441212 is an abundant number, since it is smaller than the sum of its proper divisors (4600100420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121441212 is a wasteful number, since it uses less digits than its factorization.

3121441212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226858 (or 226856 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 3121441212 is about 55869.8596024726. The cubic root of 3121441212 is about 1461.4536738060.

Adding to 3121441212 its reverse (2121441213), we get a palindrome (5242882425).

Subtracting from 3121441212 its reverse (2121441213), we obtain a palindrome (999999999).

The spelling of 3121441212 in words is "three billion, one hundred twenty-one million, four hundred forty-one thousand, two hundred twelve".